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Culture and gender modulate dlPFC integration in the emotional brain: evidence from dynamic causal modeling

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Abstract

Past research has recognized culture and gender variation in the experience of emotion, yet this has not been examined on a level of effective connectivity. To determine culture and gender differences in effective connectivity during emotional experiences, we applied dynamic causal modeling (DCM) to electroencephalography (EEG) measures of brain activity obtained from Chinese and American participants while they watched emotion-evoking images. Relative to US participants, Chinese participants favored a model bearing a more integrated dorsolateral prefrontal cortex (dlPFC) during fear v. neutral experiences. Meanwhile, relative to males, females favored a model bearing a less integrated dlPFC during fear v. neutral experiences. A culture-gender interaction for winning models was also observed; only US participants showed an effect of gender, with US females favoring a model bearing a less integrated dlPFC compared to the other groups. These findings suggest that emotion and its neural correlates depend in part on the cultural background and gender of an individual. To our knowledge, this is also the first study to apply both DCM and EEG measures in examining culture-gender interaction and emotion.

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The data obtained for this manuscript is available upon request to the corresponding author.

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Acknowledgements

This research was partly supported by the National Science Foundation (NSF) under Grant NSF BCS-1551688. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the NSF.

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Correspondence to Chang S. Nam.

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This research was partly supported by the National Science Foundation (NSF) under Grant NSF BCS-1551688. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the NSF. The authors declare that they have no competing interests in the publication of this manuscript.

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Pugh, Z.H., Huang, J., Leshin, J. et al. Culture and gender modulate dlPFC integration in the emotional brain: evidence from dynamic causal modeling. Cogn Neurodyn 17, 153–168 (2023). https://doi.org/10.1007/s11571-022-09805-2

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  • DOI: https://doi.org/10.1007/s11571-022-09805-2

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